doc: fix AsyncLocalStorage example response changes after node v18

PR-URL: #57969
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>

Author: ntedgi

doc/api/async_context.md

@@ -75,8 +75,8 @@ http.get('http://localhost:8080');
 http.get('http://localhost:8080');
 // Prints:
 //   0: start
-//   1: start
 //   0: finish
+//   1: start
 //   1: finish
 ```
 
@@ -107,8 +107,8 @@ http.get('http://localhost:8080');
 http.get('http://localhost:8080');
 // Prints:
 //   0: start
-//   1: start
 //   0: finish
+//   1: start
 //   1: finish
 ```